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永利棋牌:Controversial study warns of rural cellphone risk

日期：2019-03-02 05:01:10 作者：鱼嫱 阅读：

ANOTHER week, another less-than-convincing study on cellphones and cancer. This time the claim is that not only is there a link but that digital mobile phone users living in rural areas are three times more likely to develop malignant brain tumours than their urban counterparts. The claim, by a team at Örebro University Hospital in Sweden, is based on a new analysis of data from an earlier study in which 1500 people with brain tumours and 1500 matched controls were asked about their cellphone usage,